Replacement Ignition Module (New) is OE replacement and designed to provide smooth operation of your car or truck's ignition coil and spark plugs. This ignition module will fit right in for a dependable and accurate operation.

MALLORY HYFIRE HEI MODULE -- A New High Output HEI Module That Offers More Performance And Features Than Any Module Available, Has A Built In Rev-Limiter-4,000 To 8,500 RPM, Has A Higher RPM Capability And More Accurate Timing, Reduces High RPM Retard Inherent With Other HEI Modules, Produces More Current Translating To More Spark Energy To Fire The Plugs, Includes A Specially Extended Dwell Circuitry That Ensures A Hotter Spark Over A Broad RPM Range, Comes With A 4 Pin Module, Works On 4, 6, And 8 Cylinder Coil In Cap HEI Distributors, With Mallory's 1-Year Limited Warranty